| Ryota Katsuki | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 27 July 1982 |
| Birth Place: | Kurume, Fukuoka, Japan |
| Debutdate: | September 23 |
| Debutyear: | 2004 |
| Debutteam: | Osaka Kintetsu Buffaloes |
| Teams: | |
is a Japanese former professional baseball pitcher. He played for the Osaka Kintetsu Buffaloes in 2004, the Orix Buffaloes from 2005 to 2012 and the Yomiuri Giants from 2013 to 2016.
His younger brother Ryoji is also a former professional baseball player.